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Finding the Fourth Proportional to 4,590.80, 6,893.40 and 3,366.80

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Solution

The fourth proportional to 4,590.80, 6,893.40 and 3,366.80 is: 5,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.80 : 6,893.40 = 3,366.80 : x
  2. Step 2: Convert to fraction form
    4,590.80/6,893.40 = 3,366.80/x
  3. Step 3: Cross multiply
    4,590.80x = 6,893.40 × 3,366.80
  4. Step 4: Simplify right side
    4,590.80x = 23,208,699.12
  5. Step 5: Solve for x
    x = 23,208,699.12/4,590.80
  6. Step 6: Final answer
    x = 5,055.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.